Joint bearing classification

The joint bearing is divided into the direction of the load, the nominal contact angle and the structural type: the radial joint bearing, the angular contact joint bearing, the thrust joint bearing, the rod end joint bearing. Xiao Bian believes that this is a relatively basic classification method, and other classification methods are as follows:

First, according to the direction of the load or the nominal contact angle

1. Radial spherical plain bearings - used to withstand radial loads. The nominal contact angle is from 0 to 45 degrees. According to their nominal contact angles, they can be divided into:

a. Radial contact radial spherical plain bearing - a radial spherical plain bearing with a nominal contact angle of 0 degrees, suitable for bearing radial loads. However, it can withstand radial loads while withstanding a small axial load.

b. Angular contact radial joint bearing—A radial joint bearing with a nominal contact angle greater than 0 degrees but less than or equal to 45 degrees can withstand the combined load of radial load and axial load.

2, thrust joint bearing - for bearing axial load, its nominal contact angle is greater than 45 degrees to 90 degrees, according to the nominal contact angle, can be divided into:

a. Axial contact thrust joint bearing - a thrust joint bearing with a nominal contact angle of 90 degrees, suitable for bearing pure axial load.

b. Angular contact thrust joint bearing—A thrust joint bearing with a nominal contact angle greater than 45 degrees but less than 90 degrees is suitable for bearing axial loads, but can also withstand combined loads (at this time, the radial load value must not exceed the axial load) 0.5 times).

Second, according to the outer ring structure classification

1. The overall outer ring joint bearing;

2, double semi-outer ring joint bearing;

3. Single-slit outer ring joint bearing;

4, double seam outer ring (split outer ring) joint bearing.

Third, according to whether the rod end is attached or attached to the rod end

1. General joint bearing;

2. Rod end joint bearings.

4. Whether to add lubricant classification according to work

1. Non-self-lubricating joint bearings;

2. Self-lubricating joint bearings.
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